Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9969652 | Sintered body | Katsumi Yoshida, Toru Tsunoura, Yuji SHIGEYOSHI | 2018-05-15 |
| 4591920 | Passive implement for converting a television receiver to an optical-art display | — | 1986-05-27 |